31878360

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{9839}}^1$

素因数の和:9862

約数の個数: 80

約数和(自身を含む): 107157600

約数和(自身を除く): 75279240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 9839, 19678, 29517, 39356, 49195, 59034, 78712, 88551, 98390, 118068, 147585, 177102, 196780, 236136, 265653, 295170, 354204, 393560, 442755, 531306, 590340, 708408, 796959, 885510, 1062612, 1180680, 1328265, 1593918, 1771020, 2125224, 2656530, 3187836, 3542040, 3984795, 5313060, 6375672, 7969590, 10626120, 15939180, 31878360]

約数ペア:

[(1, 31878360), (2, 15939180), (3, 10626120), (4, 7969590), (5, 6375672), (6, 5313060), (8, 3984795), (9, 3542040), (10, 3187836), (12, 2656530), (15, 2125224), (18, 1771020), (20, 1593918), (24, 1328265), (27, 1180680), (30, 1062612), (36, 885510), (40, 796959), (45, 708408), (54, 590340), (60, 531306), (72, 442755), (81, 393560), (90, 354204), (108, 295170), (120, 265653), (135, 236136), (162, 196780), (180, 177102), (216, 147585), (270, 118068), (324, 98390), (360, 88551), (405, 78712), (540, 59034), (648, 49195), (810, 39356), (1080, 29517), (1620, 19678), (3240, 9839)]